Molecular formula: (NaPO3)6
Molecular weight: 611.82
Standard executed: HG/T2519-2007(INDUSTRIAL GRADE)GB1886.4-2015(FOOD GRADE)
Capacity: 25000t/a
Properties:
White powder, Specific gravity is 2.484(20℃), easily soluble in water, but not in organic solution, absorbent to dampness, and turn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe, It is a fine agent for water freafment.
Guarabteed Technical Specifications:
| No | Specifications | Industrial Grade | Food Grade |
| 1 | Total phosphate(as P2O5) min% | 68.00 | 68.00 |
| 2 | Inactive phosphate(as P2O5)min% | 7.5 | 7.5 |
| 3 | Iron(as Fe) max % | 0.03 | 0.02 |
| 4 | PH | 5.8-7.0 | 5.8-6.5 |
| 5 | Solubility | Qualified | Qualified |
| 6 | Heavy metals(as Pb) max% | 0.001 | |
| 7 | Arsenic(as As) max% | 0.00030 | |
| 8 | Fluoride(as F) max% | 0.0030 | |
| 9 | Water insoluble max% | 0.04 | 0.06 |